/* var arr=['WEB2107','WEB2106','WEB2105','WEB2104']
/* for(var k in arr){
	console.log(k,arr[k]);
}
 *//*
for(var i=0;i<arr.length;i++){
	console.log(i,arr[i]);
} */
/* var arr=[2107,2106,2105,2104]
 for(var i=0,sum=0;i<arr.length;i++){
	sum+=arr[i];
}
console.log(sum,sum/arr.length);*/
 



/* var arr=[43,18,58,99,88]
 
for(var i=0,max=arr[0];i<arr.length;i++){
	if(max<arr[i]){
		max=arr[i];
	}	
}
console.log(max) */